code: def packb(o, **kwargs):
      """
      Pack object `o` and return packed bytes
  
      See :class:`Packer` for options.
      """
      return Packer(**kwargs).pack(o)
  
file_path: catboost/contrib/python/pandas/py2/pandas/io/msgpack/__init__.py
imports: from collections import namedtuple
  from pandas.io.msgpack.exceptions import *
  from pandas.io.msgpack._version import version
  import os
  from pandas.io.msgpack._packer import Packer
  from pandas.io.msgpack._unpacker import unpack, unpackb, Unpacker
label_desc: Use image node_id 2 for calling a global function with example usage: packb(o) and returns: Packer